<PackageReference Include="Microsoft.Identity.Client" Version="4.82.0" />

Microsoft.Identity.Client.Internal.ClientCredential.DynamicCertificateClientCredential

Client credential that resolves certificates dynamically at runtime via a provider delegate. Used when certificates need to be rotated or selected based on runtime conditions.
namespace Microsoft.Identity.Client.Internal.ClientCredential { internal class DynamicCertificateClientCredential : CertificateAndClaimsClientCredential { public DynamicCertificateClientCredential(Func<AssertionRequestOptions, Task<X509Certificate2>> certificateProvider); } }